Unity for the emptying and refilling of gases of installations



FIG. 1 is a perspective view of my unity for the emptying and refilling of gases of installations design.

FIG. 2 is a front view of my unity for the emptying and refilling of gases of installations design;

FIG. 3 is a left-side view of my unity for the emptying and refilling of gases of installations design;

FIG. 4 is a top view of my unity for the emptying and refilling of gases of installations design;

FIG. 5 is a back view of my unity for the emptying and refilling of gases of installations design;

FIG. 6 is a right-side view of my unity for the emptying and refilling of gases of installations design; and,

FIG. 7 is a bottom view of my unity for the emptying and refilling of gases of installations design. 

The ornamental design for a unity for the emptying and refilling of gases of installations, substantially as shown and described. 